Christopher Dennis Rath is an Australian politician who currently serves as the Opposition Whip in the New South Wales Legislative Council.

He was appointed to the Legislative Council on 24 March 2022 to fill the casual vacancy caused by the resignation of Don Harwin.

[6] In his role as a Member of the Legislative Council, he has advocated for free market principles, liberal industrial relations reform and structural changes to taxation.

[9] Since then, he served in a number of roles within the NSW Division of the Liberal Party of Australia, including as a member of its state executive from 2015 to 2022 and as the Urban Vice-President from 2019 to 2022.

[2] Following his appointment to the New South Wales Legislative Council, Rath was tasked with holding the unions accountable for partisan political campaigning.